Compound microscope - The Virtual Edge - magnification objective lens
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3820 Flock Adhesive will spot dry, with a very low after flash tack. Dwell time is dependent on the spot dryer used. In some cases, you may have to lower the heat of the spot cure unit because too much heat may actually make the ink tacky. When you spot dry, you are only partially fusing or gelling the surface of the ink. The ink should be just dry to the touch, with no lift off, but not totally fused. Totally fusing the underprint may cause inter-coat adhesion problems with the inks printed on top. Final fusing or curing should occur in the dryer.
Ink may be used immediately after mixing. Pot life of mixed ink is 4 to 8 hours. Do not mix more ink than is needed for a job. Do not under catalyze the ink. Over catalyzation will shorten pot life of ink.
3820 Flock Adhesive provides excellent adhesion to most flock fibers and produces a very soft and flexible flock print when the product is properly printed and cured.
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3820 Flock Adhesive must be mixed with the 900 Catalyst before printing. Catalyst is provided in 2 oz. and 8 oz. containers and should be thoroughly hand stirred into the ink to the following proportions:
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Wash test flock print to check for proper curing/adhesion before beginning a production run. There will be some small loss of the flock fibers in general because not all of the flock fibers will be completely sealed to the adhesive.